Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
154 lines
4.9 KiB
C
154 lines
4.9 KiB
C
/*-------------------------------------------------------------------------
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time.h
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Copyright (C) 2001, Johan Knol <johan.knol AT iduna.nl>
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2, or (at your option) any
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later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this library; see the file COPYING. If not, write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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As a special exception, if you link this library with other files,
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some of which are compiled with SDCC, to produce an executable,
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this library does not by itself cause the resulting executable to
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be covered by the GNU General Public License. This exception does
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not however invalidate any other reasons why the executable file
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might be covered by the GNU General Public License.
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-------------------------------------------------------------------------*/
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#ifndef TINIBIOS_H
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#define TINIBIOS_H
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#include <ds80c390.h>
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#include <time.h>
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void Serial0Init (unsigned long baud, unsigned char buffered);
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char Serial0GetChar(void);
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void Serial0PutChar(char);
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char Serial0CharArrived(void);
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void Serial0Baud(unsigned long baud);
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void Serial0SendBreak(void);
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void Serial0Flush(void);
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void Serial0SwitchToBuffered(void); /* ds400 only. */
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void Serial1Init (unsigned long baud, unsigned char buffered);
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char Serial1GetChar(void);
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void Serial1PutChar(char);
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char Serial1CharArrived(void);
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void Serial1Baud(unsigned long baud);
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void Serial1SendBreak(void);
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void Serial1Flush(void);
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unsigned long ClockTicks();
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void ClockMilliSecondsDelay(unsigned long ms);
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void ClockMicroSecondsDelay(unsigned int us);
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#define SERIAL_0_BAUD 115200L
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#define SERIAL_1_BAUD 9600L
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/* these need to be binary numbers */
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#define SERIAL_0_RECEIVE_BUFFER_SIZE 1024
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#define SERIAL_1_RECEIVE_BUFFER_SIZE 64
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/* I know someone is fooling with the crystals */
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#if defined(__SDCC_ds400)
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# define OSCILLATOR 14745600L
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#else
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# define OSCILLATOR 18432000L
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#endif
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/* Set the cpu speed in clocks per machine cycle, valid values are:
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1024: Divide-by-1024 (power management) mode (screws ALL timers and serial)
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4: Standard 8051 divide-by-4 mode
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2: Use 2x xtal multiplier
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1: Use 4x xtal multiplier (Don't do this with a TINI at 18.432MHz)
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*/
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#define CPU_SPEED 2
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void CpuSpeed(unsigned int speed);
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/* The MOVX stretch cycles, see datasheet */
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#define CPU_MOVX_STRETCH 0x01
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/* from rtc390.c */
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#define HAVE_RTC
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unsigned char RtcRead(struct tm *rtcDate);
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void RtcWrite(struct tm *rtcDate);
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/* from lcd390.c */
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extern void LcdInit(void);
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extern void LcdOn(void);
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extern void LcdOff(void);
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extern void LcdClear(void);
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extern void LcdHome(void);
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extern void LcdGoto(unsigned int collumnRow);
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extern void LcdPutChar(char c);
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extern void LcdPutString(char *string);
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extern void LcdLPutString(unsigned int collumnRow, char *string);
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extern void LcdPrintf(const char *format, ...) __reentrant;
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extern void LcdLPrintf(unsigned int collumnRow, const char *format, ...) __reentrant;
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/* from i2c390.c */
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#define I2C_BUFSIZE 128
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extern char I2CReset(void);
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extern char I2CStart(void);
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extern char I2CStop(void);
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extern char I2CSendStop(char addr, char count,
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char send_stop);
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extern char I2CReceive(char addr, char count);
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extern char I2CSendReceive(char addr, char tx_count,
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char rx_count);
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/*extern char I2CByteOut(char);*/
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/*extern void I2CDumpError(char);*/
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/* global transfer buffers */
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extern char i2cTransmitBuffer[I2C_BUFSIZE];
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extern char i2cReceiveBuffer[I2C_BUFSIZE];
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/* Macro for normal send transfer ending with a stop condition */
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#define I2CSend(addr, count) I2CSendStop(addr, count, 1)
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/* internal functions used by tinibios.c */
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unsigned char _sdcc_external_startup(void);
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void Serial0IrqHandler (void) __interrupt 4;
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void Serial1IrqHandler (void) __interrupt 7;
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#if !defined(__SDCC_ds400)
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void ClockInit();
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void ClockIrqHandler (void) __interrupt 1 __naked;
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#endif
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#if defined(__SDCC_ds400)
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/* functions for dealing with the ds400 ROM firmware. */
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/* A wrapper which calls rom_init allocating all available RAM in CE0
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to the heap, sets the serial port to SERIAL_0_BAUD, sets up the
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millisecond timer, and diddles the clock multiplier. */
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/* Values for the romInit "speed" parameter. */
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#define SPEED_1X 0 /* no clock multiplier, normal speed. */
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#define SPEED_2X 1 /* 2x clock multiplier. */
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#define SPEED_4X 2 /* 4x clock, DOESN'T WORK ON TINIm400! */
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unsigned char romInit(unsigned char noisy,
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char speed);
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/* Install an interrupt handler. */
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void installInterrupt(void (*isrPtr)(void), unsigned char offset);
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#endif
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#endif /* TINIBIOS_H */
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